2. Based on the amounts of reactants used in the synthesis, determine the limiting reagent of the synthesis of acetylsalicylic acid. Molar mass: 180.157 g/mol Acetylsalicylic acid: Molar mass: 138.121 g/mol Molar mass: 102.09 g/mol 2g Salicylic acid: 4mL Acetic anhydride: Density: 1.40 g/mL Density: 1.44 g/mL Density: 1.08 g/mL
2. Based on the amounts of reactants used in the synthesis, determine the limiting reagent of the synthesis of acetylsalicylic acid. Molar mass: 180.157 g/mol Acetylsalicylic acid: Molar mass: 138.121 g/mol Molar mass: 102.09 g/mol 2g Salicylic acid: 4mL Acetic anhydride: Density: 1.40 g/mL Density: 1.44 g/mL Density: 1.08 g/mL
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:2. Based on the amounts of reactants used in the synthesis, determine the limiting reagent
of the synthesis of acetylsalicylic acid.
Acetylsalicylic acid:
2g Salicylic acid:
4mL Acetic anhydride:
Molar mass: 180.157 g/mol
Molar mass: 138.121 g/mol
Molar mass: 102.09 g/mol
Density: 1.40 g/mL
Density: 1.44 g/mL
Density: 1.08 g/mL
Transcribed Image Text:PROCEDURE
A. Preparation of Acetylsalicylic Acid
1. Weigh 2 g of salicylic acid in a hard glass test tube.
Add 4 mL of acetic anhydride, then carefully add 5 drops of conc. H₂SO4
Swirl the mixture and heat in a water bath (~70-80 °C) until all the salicylic acid has
dissolved.
2.
181
3.
4. Allow the mixture to cool to room temperature. Observe for crystallization of aspirin.
5. Add 20 mL of ice-cold distilled water to complete crystallization. airit lo bro odi 1A
6. Describe the physical state, color, appearance, and odor of the product.asinya
7. Pre-weigh a filter paper or weigh boat. Collect and dry the product and then transfer
it onto your pre-weighed filter paper. Calculate the % yield of the product.
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